Fixed RFID scanning and implemented calling actions on Player.

include/controller.h

@@ -11,6 +11,8 @@ private:
 	bool _rfid_enabled = true;
 	void _check_rfid();
 	void _check_serial();
+	uint32_t _get_rfid_card_uid();
+	uint32_t _last_rfid_card_uid = 0;
 	Player* _player;
 	unsigned long _last_rfid_scan_at = 0;
 public: